Deus Ex Machina - refers to the ending of Greek plays where an actor playing a Greek God is lowered onto the stage and solves all of the problems. It is not a problem solved by a Chekov's Gun, Skill, or Armory. It is not an @$$ pull or whatever solved the plot in all those twilight novels. it is not characters acting out of character, or a twist you don't like.
Words have meanings. You can't just change meanings to suit yourself. Otherwise born carbon fligaments Xyeon palar.